highly significantp < 0.001
In the bivariate analysis, a highly significant association was observed between the low prognostic nutritional index ( p < 0.001, OD = 20.400, CI = 95%: (3.377–123.245)), the type of pancreatic resection ( p < 0.001, OR = 52.500, CI = 95%: (5.174–532.669)) and postoperative morbidity.